<?php // $Id: format.php,v 1.41.2.2 2007/11/23 16:41:19 skodak Exp $
	  // format.php - course format featuring social forum
	  //			  included from view.php
	
	// Bounds for block widths
	// more flexible for theme designers taken from theme config.php
	$lmin = (empty($THEME->block_l_min_width)) ? 100 : $THEME->block_l_min_width;
	$lmax = (empty($THEME->block_l_max_width)) ? 210 : $THEME->block_l_max_width;
	$rmin = (empty($THEME->block_r_min_width)) ? 100 : $THEME->block_r_min_width;
	$rmax = (empty($THEME->block_r_max_width)) ? 210 : $THEME->block_r_max_width;

	define('BLOCK_L_MIN_WIDTH', $lmin);
	define('BLOCK_L_MAX_WIDTH', $lmax);
	define('BLOCK_R_MIN_WIDTH', $rmin);
	define('BLOCK_R_MAX_WIDTH', $rmax);
  
	$preferred_width_left  = bounded_number(BLOCK_L_MIN_WIDTH, blocks_preferred_width($pageblocks[BLOCK_POS_LEFT]),  
											BLOCK_L_MAX_WIDTH);
	$preferred_width_right = bounded_number(BLOCK_R_MIN_WIDTH, blocks_preferred_width($pageblocks[BLOCK_POS_RIGHT]), 
											BLOCK_R_MAX_WIDTH);

	$strgroups  = get_string('groups');
	$strgroupmy = get_string('groupmy');
	$editing	= $PAGE->user_is_editing();

	echo '<table id="layout-table" cellspacing="0" summary="'.get_string('layouttable').'">';
	echo '<tr>';

	if (blocks_have_content($pageblocks, BLOCK_POS_LEFT) || $editing) {
		echo '<td style="width:'.$preferred_width_left.'px" id="left-column">';
		print_container_start();
		blocks_print_group($PAGE, $pageblocks, BLOCK_POS_LEFT);
		print_container_end();
		echo '</td>';
	}

	echo '<td id="middle-column">';
	print_container_start();
	echo skip_main_destination();
	if ($forum = forum_get_course_forum($course->id, 'social')) {
		print_heading_block(get_string('socialheadline'));
		
		$cm = get_coursemodule_from_instance('forum', $forum->id);
		$context = get_context_instance(CONTEXT_MODULE, $cm->id);
		echo '<div class="subscribelink">', forum_get_subscribe_link($forum, $context), '</div>';
		forum_print_latest_discussions($course, $forum, 10, 'plain', '', false);

	} else {
		notify('Could not find or create a social forum here');
	}
	print_container_end();
	echo '</td>';

	// The right column
	if (blocks_have_content($pageblocks, BLOCK_POS_RIGHT) || $editing) {
		echo '<td style="width:'.$preferred_width_right.'px" id="right-column">';
		print_container_start();
		blocks_print_group($PAGE, $pageblocks, BLOCK_POS_RIGHT);
		print_container_end();
		echo '</td>';
	}

	echo '</tr>';
	echo '</table>';

?>
